4891405489011 has 12 divisors (see below), whose sum is σ = 7215690367392. Its totient is φ = 3191555354256.

The previous prime is 4891405488953. The next prime is 4891405489027. The reversal of 4891405489011 is 1109845041984.

4891405489011 is a `hidden beast` number, since 4 + 8 + 9 + 1 + 4 + 0 + 548 + 90 + 1 + 1 = 666.

It is not a de Polignac number, because 4891405489011 - 2⁷ = 4891405488883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4891405489051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5781802756 + ... + 5781803601.

It is an arithmetic number, because the mean of its divisors is an integer number (601307530616).

Almost surely, 2^{4891405489011} is an apocalyptic number.

4891405489011 is a deficient number, since it is larger than the sum of its proper divisors (2324284878381).

4891405489011 is a wasteful number, since it uses less digits than its factorization.

4891405489011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11563606410 (or 11563606407 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 54.

The spelling of 4891405489011 in words is "four trillion, eight hundred ninety-one billion, four hundred five million, four hundred eighty-nine thousand, eleven".